<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #qrcode {
            width:160px;
            height:160px;
            margin-top:15px;
        }
    </style>
</head>
<body>
<div id="qrcode"></div>
<script type="text/javascript">
    new QRCode(document.getElementById("qrcode"), "weixin://wxpay/bizpayurl?pr=4asdUPyzz");
</script>

</body>
</html>